CN207230136U - A kind of vacuum draining Pneumatic control circuit - Google Patents
A kind of vacuum draining Pneumatic control circuit Download PDFInfo
- Publication number
- CN207230136U CN207230136U CN201721118380.4U CN201721118380U CN207230136U CN 207230136 U CN207230136 U CN 207230136U CN 201721118380 U CN201721118380 U CN 201721118380U CN 207230136 U CN207230136 U CN 207230136U
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- pneumatic control
- fluid
- control valve
- oil
- normally closed
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Abstract
The utility model discloses a kind of vacuum draining Pneumatic control circuit, including triplet commutation push buttonvalve, pneumatic two part, vacuum generator, normally opened fluid pneumatic control valve, normally closed fluid pneumatic control valve, fluid to let out dress rifle, oil can and graduated cylinder；The graduated cylinder is connected with the vacuum generator, and lets out dress rifle by normally opened fluid pneumatic control valve, normally closed fluid pneumatic control valve and the fluid respectively and oil can connects；Pneumatic two part is connected with the vacuum generator, normally opened fluid pneumatic control valve, normally closed fluid pneumatic control valve respectively by the triplet commutation push buttonvalve.The utility model produces negative pressure using vacuum generator, dress rifle is let out by fluid to accelerate to discharge the used oil in oil pan, whole drain line is full closeding state, environment will not be impacted, its is simple in structure, using it is reliable, failure is few, he production cost is low, and it is easy to operate, the draining operating time can be saved.
Description
Technical field
The utility model belongs to fluid and lets out dress system, and in particular to a kind of vacuum draining Pneumatic control circuit.
Background technology
Vehicle maintenance replace machine oil when, in addition to upper odd test is changed oil, remaining must removal of engine oil pan drain the oil
Bolt flows out automatically by used oil, and speed is slower, and can also be splashed to ground during used oil is discharged and cause environment
Pollution.
Utility model content
In view of the problems of the existing technology the purpose of this utility model is, there is provided a kind of simple in structure, function is reliable, makes
With convenient vacuum draining Pneumatic control circuit.
It is as follows for the technical scheme adopted for realizing the purpose of the utility model：
Vacuum draining Pneumatic control circuit provided by the utility model, including it is triplet commutation push buttonvalve, pneumatic two part, true
Empty generator, normally opened fluid pneumatic control valve, normally closed fluid pneumatic control valve, fluid let out dress rifle, oil can and graduated cylinder；The graduated cylinder with it is described true
Empty generator connection, and dress rifle and oil can company are let out by normally opened fluid pneumatic control valve, normally closed fluid pneumatic control valve and the fluid respectively
It is logical；Pneumatic two part by the triplet commutation push buttonvalve respectively with the vacuum generator, normally opened fluid pneumatic control valve, often
Close the connection of fluid pneumatic control valve.
The triplet commutation push buttonvalve, is normally closed type two-position three way pneumatic control push buttonvalve.
The normally opened fluid pneumatic control valve, normally closed fluid pneumatic control valve are bi-bit bi-pass fluid air-actuated direction valve.
Beneficial effect：
The utility model produces negative pressure using vacuum generator, and letting out dress rifle by fluid accelerates the useless machine in oil pan
Oil discharge, whole drain line is full closeding state, and environment will not be impacted, its is simple in structure, uses reliable, failure
Few, production cost is low, and easy to operate, can save the draining operating time.
The technical solution of the utility model is further illustrated below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the working state schematic representation of the utility model.
In figure：Pneumatic two part of 1- triplet commutations push buttonvalve, 2-, 3- vacuum generators, the normally opened fluid pneumatic control valves of 4-, 5- streams
Body lets out dress rifle, 6- oil cans, the normally closed fluid pneumatic control valves of 7-, 8- graduated cylinders.
Embodiment
See Fig. 1, vacuum draining Pneumatic control circuit provided by the utility model, including triplet commutation push buttonvalve 1, pneumatic two
Connection part 2, vacuum generator 3, normally opened fluid pneumatic control valve 4, normally closed fluid pneumatic control valve 7, fluid let out dress rifle 5, oil can 6 and graduated cylinder 8；Institute
Graduated cylinder 8 is stated to connect with the vacuum generator 3, and respectively by normally opened fluid pneumatic control valve 4, normally closed fluid pneumatic control valve 7 with it is described
Fluid is let out dress rifle 5 and is connected with oil can 6；Pneumatic two part 2 is sent out with the vacuum respectively by the triplet commutation push buttonvalve 1
Raw device 3, normally opened fluid pneumatic control valve 4, normally closed fluid pneumatic control valve 7 connect.
The triplet commutation push buttonvalve, is normally closed type two-position three way pneumatic control push buttonvalve.
The normally opened fluid pneumatic control valve, normally closed fluid pneumatic control valve are bi-bit bi-pass fluid air-actuated direction valve.
The middle stack shell part of the graduated cylinder is transparent organic glass, and the upper and lower of stack shell part seals equipped with dismountable
Cover, vacuum orifice, inlet port and oil discharge outlet are respectively equipped with graduated cylinder.
When the utility model is used, first by fluid let out dress rifle 5 be connected to be installed on oil pan on magnetic force absolute oil valve
On, press the button of triplet commutation push buttonvalve 1, into the working status shown in Fig. 2, compressed air through pneumatic two part 2 into
Enter at mouth a, the liquid passage inlet b through triplet commutation push buttonvalve 1 enters and goes out from outlet c at d, punishes three tunnels along d and flows respectively
The gas circuit control mouth f of gas circuit control mouth e, normally opened fluid pneumatic control valve 4 to vacuum generator 3, the gas circuit of normally closed fluid pneumatic control valve 7
At control mouth g, when compressed air is flowed through at e, make vacuum generator 3 in running order, started by vacuum orifice A to graduated cylinder
8 are vacuumized, and when compressed air is flowed through at gas circuit control mouth f, normally opened fluid pneumatic control valve 4 switchs to connected state by normally open
State, connects interface D, E, when flowing through at g, normally closed fluid pneumatic control valve 7 switchs to F and G interface off-state by normally off.Due to
Graduated cylinder 8 produces negative pressure under the action of vacuum generator 3 vacuumizes, and makes the fluid in oil pan（Machine oil）Dress rifle is let out along fluid
5, import E via normally opened fluid pneumatic control valve 4 to exporting D, then the inlet port B through graduated cylinder 8 quickly suck storage in graduated cylinder 8 until
By the machine oil in oil pan discharge all of only.Then unclamp the button of triplet commutation push buttonvalve 1, the utility model recover to
Original state shown in Fig. 1, the liquid passage inlet b of triplet commutation push buttonvalve 1 are disconnected with outlet c, make the gas circuit of vacuum generator 3
Control mouth e, the gas circuit control mouth f of normally opened fluid pneumatic control valve 4, normally closed fluid pneumatic control valve 7 gas circuit control mouth g source of the gas close
Close, vacuum generator 3 is stopped, and graduated cylinder 8 is no longer produced negative pressure oil suction, and interface D, E of normally opened fluid pneumatic control valve 4 are in disconnected
Open state, interface F, G of normally closed fluid pneumatic control valve 7 are in connected state, and the waste oil in graduated cylinder 8 is through oil discharge outlet C along normally closed fluid
Interface F, G of Pneumatic valve 7, which are flow in oil can 6, to be focused on.
Claims (3)
- A kind of 1. vacuum draining Pneumatic control circuit, it is characterized in that occurring including triplet commutation push buttonvalve, pneumatic two part, vacuum Device, normally opened fluid pneumatic control valve, normally closed fluid pneumatic control valve, fluid let out dress rifle, oil can and graduated cylinder；The graduated cylinder occurs with the vacuum Device connects, and is let out by normally opened fluid pneumatic control valve, normally closed fluid pneumatic control valve and the fluid fill rifle and oil can connects respectively；It is described Pneumatic two part by the triplet commutation push buttonvalve respectively with the vacuum generator, normally opened fluid pneumatic control valve, normally closed fluid Pneumatic valve connects.
- 2. vacuum draining Pneumatic control circuit according to claim 1, it is characterized in that the triplet commutation push buttonvalve, is normal Enclosed two-position three way pneumatic control push buttonvalve.
- 3. vacuum draining Pneumatic control circuit according to claim 1 or 2, it is characterized in that the normally opened fluid pneumatic control valve, Normally closed fluid pneumatic control valve is bi-bit bi-pass fluid air-actuated direction valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721118380.4U CN207230136U (en) | 2017-09-02 | 2017-09-02 | A kind of vacuum draining Pneumatic control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721118380.4U CN207230136U (en) | 2017-09-02 | 2017-09-02 | A kind of vacuum draining Pneumatic control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207230136U true CN207230136U (en) | 2018-04-13 |
Family
ID=61860257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721118380.4U Active CN207230136U (en) | 2017-09-02 | 2017-09-02 | A kind of vacuum draining Pneumatic control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207230136U (en) |
-
2017
- 2017-09-02 CN CN201721118380.4U patent/CN207230136U/en active Active
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